Math 2 - Quadratics Review

What technique can be use to add polynomials?

• combining like terms
• counting the exponents
• subtracting the coefficients
• multiplying the variables

Tags

CCSS.HSA.APR.A.1

Find the product
(x + 5)(x + 4)

• x² + x + 20
• x² + 20x + 9
• x² + 9x + 20
• x² - 9x + 54

Tags

CCSS.HSA.APR.A.1

Find the sum.
(2x² + 5x - 7) + ( 3 - 4x² + 6x)

• 2x² + 3x +1
• -2x² - 11x -4
• 2x² + 5x -7
• -2x² + 11x -4

Tags

CCSS.HSA.APR.A.1

Subtract the polynomials.

(2x + 5y) - (3x - 2y)

• -x + 3y

• -x + 7y

• 5x + 7y

• 7xy + 1xy

Tags

CCSS.HSA.APR.A.1

The graph of a quadratic function is called a

• Parabola
• Vertex
• Axis of Symmetry 
• Vertex Form

Tags

CCSS.HSF-IF.C.7A

The vertical line that cuts a parabola in half is called...

• Axis of symmetry

• Axis of evil

• Vertex

• Evil vortex

Does this graph have a maximum or minimum?

• Minimum
• Maximum

Tags

CCSS.HSF-IF.C.7A

Identify the y-intercept

• (-1,9)
• (0,-8)
• (-4,0)
• (0,0)

Tags

CCSS.HSF-IF.C.7A

What are the roots/zeros of the equation based upon the graph?

• 0 and 3
• 2 and -1
• 0 and 4
• 1 and 3

An object is launched at 19.6 meters per second (m/s) from a platform. The equation for the object's height y at time x seconds after launch is $y=-16x^2+110x+49$ . When does the object hit the ground?

** REMEMBER TO USE DESMOS GRAPHING CALCULATOR**

• about 7.3 seconds

• about 3.4 seconds

• about 7.8 seconds

• 8 seconds